mm/swap_state.c: optimize the code in clear_shadow_from_swap_cache()

Use ALIGN to achieve the same effect and simplify the code.

Link: https://lkml.kernel.org/r/20250205092721.9395-3-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Kairui Song <ryncsn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He 2025-02-05 17:27:11 +08:00 committed by Andrew Morton
parent 81fe88a946
commit cd57a3fb37

View file

@ -270,9 +270,7 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin,
xa_unlock_irq(&address_space->i_pages);
/* search the next swapcache until we meet end */
curr >>= SWAP_ADDRESS_SPACE_SHIFT;
curr++;
curr <<= SWAP_ADDRESS_SPACE_SHIFT;
curr = ALIGN((curr + 1), SWAP_ADDRESS_SPACE_PAGES);
if (curr > end)
break;
}